Index: crypto/openssh/auth2-chall.c =================================================================== --- crypto/openssh/auth2-chall.c (revision 285923) +++ crypto/openssh/auth2-chall.c (working copy) @@ -82,6 +82,7 @@ struct KbdintAuthctxt void *ctxt; KbdintDevice *device; u_int nreq; + u_int devices_done; }; #ifdef USE_PAM @@ -169,9 +170,14 @@ kbdint_next_device(KbdintAuthctxt *kbdintctxt) if (len == 0) break; - for (i = 0; devices[i]; i++) - if (strncmp(kbdintctxt->devices, devices[i]->name, len) == 0) + for (i = 0; devices[i]; i++) { + if ((kbdintctxt->devices_done & (1 << i)) != 0) + continue; + if (strncmp(kbdintctxt->devices, devices[i]->name, len) == 0) { kbdintctxt->device = devices[i]; + kbdintctxt->devices_done |= 1 << i; + } + } t = kbdintctxt->devices; kbdintctxt->devices = t[len] ? xstrdup(t+len+1) : NULL; xfree(t); Index: crypto/openssh/sshconnect.c =================================================================== --- crypto/openssh/sshconnect.c (revision 285923) +++ crypto/openssh/sshconnect.c (working copy) @@ -1141,29 +1141,39 @@ verify_host_key(char *host, struct sockaddr *hosta { int flags = 0; char *fp; + Key *plain = NULL; fp = key_fingerprint(host_key, SSH_FP_MD5, SSH_FP_HEX); debug("Server host key: %s %s", key_type(host_key), fp); xfree(fp); - /* XXX certs are not yet supported for DNS */ - if (!key_is_cert(host_key) && options.verify_host_key_dns && - verify_host_key_dns(host, hostaddr, host_key, &flags) == 0) { - if (flags & DNS_VERIFY_FOUND) { - - if (options.verify_host_key_dns == 1 && - flags & DNS_VERIFY_MATCH && - flags & DNS_VERIFY_SECURE) - return 0; - - if (flags & DNS_VERIFY_MATCH) { - matching_host_key_dns = 1; - } else { - warn_changed_key(host_key); - error("Update the SSHFP RR in DNS with the new " - "host key to get rid of this message."); + if (options.verify_host_key_dns) { + /* + * XXX certs are not yet supported for DNS, so downgrade + * them and try the plain key. + */ + plain = key_from_private(host_key); + if (key_is_cert(plain)) + key_drop_cert(plain); + if (verify_host_key_dns(host, hostaddr, plain, &flags) == 0) { + if (flags & DNS_VERIFY_FOUND) { + if (options.verify_host_key_dns == 1 && + flags & DNS_VERIFY_MATCH && + flags & DNS_VERIFY_SECURE) { + key_free(plain); + return 0; + } + if (flags & DNS_VERIFY_MATCH) { + matching_host_key_dns = 1; + } else { + warn_changed_key(plain); + error("Update the SSHFP RR in DNS " + "with the new host key to get rid " + "of this message."); + } } } + key_free(plain); } return check_host_key(host, hostaddr, options.port, host_key, RDRW,